From nobody Sun Jun 14 05:03:35 2026 Received: from mail-pl1-f176.google.com (mail-pl1-f176.google.com [209.85.214.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7DF2229BDBB for ; Fri, 10 Apr 2026 07:02:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.176 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775804531; cv=none; b=P9b9pj4UubuN6XoYM53tLRyY8OGYVsPRPauBWdJimhVdQZ0YcFCAB1mNBMoJ7APuheY4A/8u8YHJGkVSx9riXOAZGbJMEM5+85eZzqMSGO1IYgj3TpbA9AGOr49wnXWAXpiA7D6PTvKF2PrKYCtvQl4i0fwwExwjE83LOFTqfsQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775804531; c=relaxed/simple; bh=IuZLbhjufjxuatAqULD1povK/boUq0AX/MpCbd6+qIs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=N9qoW9RkLxw29YizUe+oQW445E0idy4/E4xYdVTpPA4FCEZZxbWqDf6NE0xUgKHFifDa5bUVPVpjm2wvMYUTgwg3PnkFVjvlX90/fxMhnivZzfNBobNBQ5gdUFq4t+fifrkw9jf2Ta9K3FIgVEXMpWM5jxeqA/jAipmhD7mBDFQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=SR4+bUQC; arc=none smtp.client-ip=209.85.214.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SR4+bUQC" Received: by mail-pl1-f176.google.com with SMTP id d9443c01a7336-2b2503753efso14705375ad.0 for ; Fri, 10 Apr 2026 00:02:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775804530; x=1776409330; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=nN9ZhQizaGY72Aojgi9U/wrnRhfDHkvXpIHON/TB20Y=; b=SR4+bUQCYTLaswodplrw4Mqs202347ivZis4beGbvemSAm4zero7Q76qXk4sr/I6Az BAUOFj3wqCj957fHpZADT/s1UMxUzfL3nAo43joxA3LXt+sAvPSN4QdCmyf0xVPnEjE+ o+20Tacjg4bwIB3UpE7nucZLgm8wNP4R9E66ClacjsnAvDnYAbh1Cpk5EnV/QV3oVyAX LUl/Ijw8L2tX7Z1Po3VrRa+Z/Rqir4CJrPdmIeCBlxUyHmsNlvWjUiuBcRWyZwPSNoMN GwRJTjiZ7gHz1yy5xOlM0DDQKKbCceLo3DZNUL7pOWuaaT0k0qovg0fBpztUsjrbz4Qn 7kug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775804530; x=1776409330; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=nN9ZhQizaGY72Aojgi9U/wrnRhfDHkvXpIHON/TB20Y=; b=I5/JZHnrmYrTgSBPyETm6ySL68Y5OKCUog8EkG10r0V2iEqFoPiMnOyhd25ZsOKPd7 7911B9/rYBP5ETg62bxfoDHjPXoR416f5QHmwEUkwx0EwbYP5xOgH+nJDNxgIhDluLO1 x3Z8o3PvIkqekn4MeXeWDFVw1gEJi1cxf7Qr4BDyLIPSICSYUJ++Aw0l+8HF2myqApBK Nnf63QTZRFXHh9xrYf5kSM4dVeumwT5KAqhEOHjbTcUQymPrmb8mZ3LLfIcixKI8EuMI z7/8Mj3FiC9pH4pdVveGMZpW7jX1KXUIIcG4r5Gm4DkNlxg3Afe/7o69/HdEYkLY9JSV MtGQ== X-Forwarded-Encrypted: i=1; AJvYcCWxE5DS+e8RGsEYMjDXe7duequK8/HKuPtvJnV63l1YPEhv8DCRcos7UJqPiMHin3xCxJR1P1EIIh0+E5U=@vger.kernel.org X-Gm-Message-State: AOJu0YzPuUGherHtAQSZxk9YHX/ARm5noFtmAKa2ffd9NR0BzHoHyuon PG372N3/bDQDCgl7vzODjAYNBAvlVn5ZCi+unHke2+1PD3nsYnbk/ofe X-Gm-Gg: AeBDieu7lKj8hxP8M4DnSoMaTHWBbpuytJt0NenzT/HiURb3sqLhPx83yiZUVC3lq/N dW8bXVXK/XMjvX6rpLsNWTk6mPXfW1HEA9ywyWDuYM9tQ/IrdhTIJCY9clR6A+3gQiWkUgsrqVl TXcUhfFRgOdM/lGmHEDhGAA2ij2BLYZB19WQcAz3bPhPMe5gZXzSyiSZZ+zr74vJxOH6t4HiKXD L+4YYGT6rDRaArNUcoN0O0f1nztGBEGEa0Brx4QZ0vooY0A6TI3801iPccZJKaO/yZVF5aItr5k JzIvQw8UFLZRaTdAb/7i9zbYJDm5r/zJhOo+676bpz2hQsAzDX7QuWd2730vnn9u5LvbvjNqdZb bYPrfuoEZBFilfo+jnqODrnL8YVic6nz+apTQ7DKKsg8k29Y9UWx1cbvTjND2mcdfeQ2+UW6hkb KGxsmguBzWg3JzsqxyzTtROpRoAHniPA/UfwlSps7k69WX9Q== X-Received: by 2002:a17:903:40cb:b0:2b2:4e5a:9471 with SMTP id d9443c01a7336-2b2d5a38464mr19559975ad.22.1775804529733; Fri, 10 Apr 2026 00:02:09 -0700 (PDT) Received: from localhost.localdomain ([2405:201:d025:c808:7be3:a746:1e98:3ec7]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b2d4f09e85sm19310315ad.47.2026.04.10.00.02.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2026 00:02:09 -0700 (PDT) From: ASHISH YADAV X-Google-Original-From: ASHISH YADAV To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ashish Yadav Subject: [PATCH v4 1/2] dt-bindings: hwmon/pmbus: Add Infineon XDP720 Date: Fri, 10 Apr 2026 12:31:53 +0530 Message-Id: <20260410070154.3313-2-Ashish.Yadav@infineon.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260410070154.3313-1-Ashish.Yadav@infineon.com> References: <20260410070154.3313-1-Ashish.Yadav@infineon.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Ashish Yadav Add documentation for the device tree binding of the XDP720 eFuse. Signed-off-by: Ashish Yadav Acked-by: Conor Dooley --- .../bindings/hwmon/pmbus/infineon,xdp720.yaml | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/infineon,= xdp720.yaml diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/infineon,xdp720.= yaml b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,xdp720.yaml new file mode 100644 index 000000000000..72bc3a5e7139 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,xdp720.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/pmbus/infineon,xdp720.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Infineon XDP720 Digital eFuse Controller + +maintainers: + - Ashish Yadav + +description: | + The XDP720 is an eFuse with integrated current sensor and digital + controller. It provides accurate system telemetry (V, I, P, T) and + reports analog current at the IMON pin for post-processing. + + Datasheet: + https://www.infineon.com/assets/row/public/documents/24/49/infineon-x= dp720-001-datasheet-en.pdf + +properties: + compatible: + enum: + - infineon,xdp720 + + reg: + maxItems: 1 + + infineon,rimon-micro-ohms: + description: + The value of the RIMON resistor, in micro ohms, required to enable + the system overcurrent protection. + + vdd-vin-supply: + description: + Supply for the VDD_VIN pin (pin 9), the IC controller power supply. + Typically connected to the input bus (VIN) through a 100 ohm / 100 nF + RC filter. + +required: + - compatible + - reg + - vdd-vin-supply + +additionalProperties: false + +examples: + - | + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + hwmon@11 { + compatible =3D "infineon,xdp720"; + reg =3D <0x11>; + vdd-vin-supply =3D <&vdd_vin>; + infineon,rimon-micro-ohms =3D <1098000000>; /* 1.098k ohm */ + }; + }; --=20 2.39.5 From nobody Sun Jun 14 05:03:35 2026 Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF8F738AC6C for ; Fri, 10 Apr 2026 07:02:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.50 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775804537; cv=none; b=f8FOT4qrDLTdCTlzn4Jj3twJgof4QswZLF3bVHpcWnEsN1+D7rK5meDzjzAdaopepy7HtM4jVuAw0x+9l+ztM+wcK7tjrJNG/3PwrAFJ9KNUoCaOllBWFOR/s4+mZsAc1taD1MzgNHweyZCBWkWqkFgLtGk18c9jeIYR3PAjkjs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775804537; c=relaxed/simple; bh=ygE78m4z5+HlIIpSBrnoyMIdAegNd+iR1qUt9v5wiuM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kaYKgOEfqCs+RlQ1wkuliCET3LdkdTlMODEc1D37sjR2K+W7uzPX1ZPv9ti45EYcumA8/hpchVmxCIcVS3JC4XfytRvIBF0zNJSNtEJM+nVSvRASCH+Y5ZTCw4iYvPyuExgqAe4WeXk1EyPtMqu59S5r5nA+BTVKexRDLQcm/Vs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=fc7kQuIj; arc=none smtp.client-ip=209.85.216.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fc7kQuIj" Received: by mail-pj1-f50.google.com with SMTP id 98e67ed59e1d1-35d99bae2ebso1590455a91.3 for ; Fri, 10 Apr 2026 00:02:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775804535; x=1776409335; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=10khucMFgM3lnQ2iprel6diABOkMyNCnupGvTH2n+0Q=; b=fc7kQuIjajBNU5ioWzTCvSOQ5TmSQpI4OpnXiGployYrKg5xB/hm+Jx0Z70bvSEb4B 98S1SUEDrH3VELWEBKlK4AjJ3MCJ0V2vrsTcG8trgIwKIaT+KhTt5QFUBFWt4H76vwkX TabUZjsPfejjNjSahswliVLsOhgZPuslOEHVHj4T7MqRMkVAEZhYfPYtAg/ParJZSX5r jeAg3IUO+7VaLC+G3qSVFm3rUeEA3rh9znydNi/DvZcYjoLP0EU9XOimpFjV1hKoLiKs Hh3HXZYpmy7MSFXDUY2gQdJEhnSWCIQPIPDVvw1k4KGi7spmTg8DHS5lo1DIDVTyV7Ct 7dKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775804535; x=1776409335; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=10khucMFgM3lnQ2iprel6diABOkMyNCnupGvTH2n+0Q=; b=SwhEU3oQyyAcvhJ9oLxlO5hAI2d9L8lCcaj4QW2fPhQ6HJt0o2WGrwZD/J6TFE3ErW rGIVemm7LlQCToqt8w1rOiVBizHvhsuo3MB/KWdKaCaPsS778seIHREGIC8cbBmbGB2s GV3fxTLT7s2lnHUz5z62U0uRJKGrGFUF1O6qlW3z9sh10J6Ryt/sYWlGdgWPBgM9Je7B 5QV66wewNtecDAy3XoXTALJs11M/ZDHnmJ92k3xXn7y3LR8gcComXShLIfCgR36HdcfK C9145E2zhpVnsDrKFsW5nt0VzEmvLFiOVheTMa+Pi5M4YowJK2gWr/0HWtgzwK7ynEkQ Jv9w== X-Forwarded-Encrypted: i=1; AJvYcCX5qq2Ak+6S0RUU7UKF17Uzyn7+kwEOmW8b7zRP+8babhsDwFgkTKASbnE1do04tXlWBQVVcyF445ulkBI=@vger.kernel.org X-Gm-Message-State: AOJu0YzOXuOL5XdA2woRuARu0hItwPc3ohuQEZF8E1FnZH3PNo/XE6jH 1txZFsckHnyPRQI+FN3yfOm8EdBJbi/yJJo5LxAZGxtN0R+r1QTcce1W X-Gm-Gg: AeBDiesEE9mrS5Sl0xWYbOS/BdgN2/uAhJTJRYx5U461jtuN9nvHjyyDdh5S0noRVW1 kZRjP55fXLlwG6bltMb0GwO2TiZ+xmGJCCVHBYy9Ew7rSu+yS/HJzS/fOtriq+IRX7YWFJEIoPM 7RQHPt3VEpjjghAuqOP+umaS8yFLDI4pgeIUrPVNXkJb0TC6LNmx0zGp1SMS7V/3wR71swD9qmk jJcXH0TTCCudG4RlvXWDDDvXFh5R2NNX8fesjqUbKPWz3/vLjAgqooBYIXyYs0Cq9615AY360av sBhfneIXjEkTfThMQgJsLqyFMed7Cj5WS1nE1wHjH/hHpPvtk1aWe9QrIugxaLqppPHMQ5Gy7B3 nUtdkcZqbK9Hr/Nu86cs+XQWWcICBJymWhZRqf5v8mMcNGd+hvbEH3/bYrmCXC3DEMSbxhdppgG SYZ5IOSOCA5e86kUncQmCayRtM5ZOb5X4LmGU9VTKSzylXOg== X-Received: by 2002:a17:903:2ac3:b0:2b2:6df1:1112 with SMTP id d9443c01a7336-2b2d5a7a85cmr20304005ad.40.1775804534937; Fri, 10 Apr 2026 00:02:14 -0700 (PDT) Received: from localhost.localdomain ([2405:201:d025:c808:7be3:a746:1e98:3ec7]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b2d4f09e85sm19310315ad.47.2026.04.10.00.02.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2026 00:02:14 -0700 (PDT) From: ASHISH YADAV X-Google-Original-From: ASHISH YADAV To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ashish Yadav Subject: [PATCH v4 2/2] hwmon:(pmbus/xdp720) Add support for efuse xdp720 Date: Fri, 10 Apr 2026 12:31:54 +0530 Message-Id: <20260410070154.3313-3-Ashish.Yadav@infineon.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260410070154.3313-1-Ashish.Yadav@infineon.com> References: <20260410070154.3313-1-Ashish.Yadav@infineon.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Ashish Yadav Add the pmbus driver for Infineon XDP720 Digital eFuse Controller. Signed-off-by: Ashish Yadav --- XDP720 Digital eFuse Controller provides accurate system telemetry (V, I, P, T) and reports analog current at the IMON pin for post-processing. The Current and Power measurement depends on the RIMON and GIMON values. Please look into data sheet sections 5.4.2 and 5.4.4 for more details: https://www.infineon.com/assets/row/public/documents/24/49/infineon-xdp720-= 001-datasheet-en.pdf The GIMON (microA/A) depends on the 10th bit of TELEMETRY_AVG PMBUS Registe= r. The value of RIMON (kohm) can be provided by the user through device tree u= sing infineon,rimon-micro-ohms property. --- drivers/hwmon/pmbus/Kconfig | 9 +++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/xdp720.c | 128 +++++++++++++++++++++++++++++++++++ 3 files changed, 138 insertions(+) create mode 100644 drivers/hwmon/pmbus/xdp720.c diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index fc1273abe357..c419e3ecce90 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -702,6 +702,15 @@ config SENSORS_XDP710 This driver can also be built as a module. If so, the module will be called xdp710. =20 +config SENSORS_XDP720 + tristate "Infineon XDP720 family" + help + If you say yes here you get hardware monitoring support for Infineon + XDP720. + + This driver can also be built as a module. If so, the module will + be called xdp720. + config SENSORS_XDPE152 tristate "Infineon XDPE152 family" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index d6c86924f887..1cac7ccae79f 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -68,6 +68,7 @@ obj-$(CONFIG_SENSORS_TPS546D24) +=3D tps546d24.o obj-$(CONFIG_SENSORS_UCD9000) +=3D ucd9000.o obj-$(CONFIG_SENSORS_UCD9200) +=3D ucd9200.o obj-$(CONFIG_SENSORS_XDP710) +=3D xdp710.o +obj-$(CONFIG_SENSORS_XDP720) +=3D xdp720.o obj-$(CONFIG_SENSORS_XDPE122) +=3D xdpe12284.o obj-$(CONFIG_SENSORS_XDPE152) +=3D xdpe152c4.o obj-$(CONFIG_SENSORS_ZL6100) +=3D zl6100.o diff --git a/drivers/hwmon/pmbus/xdp720.c b/drivers/hwmon/pmbus/xdp720.c new file mode 100644 index 000000000000..8729a771f216 --- /dev/null +++ b/drivers/hwmon/pmbus/xdp720.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Hardware monitoring driver for Infineon XDP720 Digital eFuse Controller + * + * Copyright (c) 2026 Infineon Technologies. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include "pmbus.h" + +/* + * The IMON resistor required to generate the system overcurrent protectio= n. + * Arbitrary default Rimon value: 2k Ohm + */ +#define XDP720_DEFAULT_RIMON 2000000000 /* 2k ohm */ +#define XDP720_TELEMETRY_AVG 0xE9 + +static struct pmbus_driver_info xdp720_info =3D { + .pages =3D 1, + .format[PSC_VOLTAGE_IN] =3D direct, + .format[PSC_VOLTAGE_OUT] =3D direct, + .format[PSC_CURRENT_OUT] =3D direct, + .format[PSC_POWER] =3D direct, + .format[PSC_TEMPERATURE] =3D direct, + + .m[PSC_VOLTAGE_IN] =3D 4653, + .b[PSC_VOLTAGE_IN] =3D 0, + .R[PSC_VOLTAGE_IN] =3D -2, + .m[PSC_VOLTAGE_OUT] =3D 4653, + .b[PSC_VOLTAGE_OUT] =3D 0, + .R[PSC_VOLTAGE_OUT] =3D -2, + /* + * Current and Power measurement depends on the RIMON (kOhm) and + * GIMON(microA/A) values. + */ + .m[PSC_CURRENT_OUT] =3D 24668, + .b[PSC_CURRENT_OUT] =3D 0, + .R[PSC_CURRENT_OUT] =3D -4, + .m[PSC_POWER] =3D 4486, + .b[PSC_POWER] =3D 0, + .R[PSC_POWER] =3D -1, + .m[PSC_TEMPERATURE] =3D 54, + .b[PSC_TEMPERATURE] =3D 22521, + .R[PSC_TEMPERATURE] =3D -1, + + .func[0] =3D PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN | + PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_INPUT | + PMBUS_HAVE_STATUS_TEMP, +}; + +static int xdp720_probe(struct i2c_client *client) +{ + struct pmbus_driver_info *info; + int ret; + u32 rimon; + int gimon; + + info =3D devm_kmemdup(&client->dev, &xdp720_info, sizeof(*info), + GFP_KERNEL); + if (!info) + return -ENOMEM; + + ret =3D devm_regulator_get_enable(&client->dev, "vdd-vin"); + if (ret) + return dev_err_probe(&client->dev, ret, + "failed to enable vdd-vin supply\n"); + + ret =3D i2c_smbus_read_word_data(client, XDP720_TELEMETRY_AVG); + if (ret < 0) { + dev_err(&client->dev, "Can't get TELEMETRY_AVG\n"); + return ret; + } + + ret >>=3D 10; /* 10th bit of TELEMETRY_AVG REG for GIMON Value */ + ret &=3D GENMASK(0, 0); + if (ret =3D=3D 1) + gimon =3D 18200; /* output gain 18.2 microA/A */ + else + gimon =3D 9100; /* output gain 9.1 microA/A */ + + if (of_property_read_u32(client->dev.of_node, + "infineon,rimon-micro-ohms", &rimon)) + rimon =3D XDP720_DEFAULT_RIMON; /* Default if not set via DT */ + if (rimon =3D=3D 0) + return -EINVAL; + + /* Adapt the current and power scale for each instance */ + info->m[PSC_CURRENT_OUT] =3D DIV64_U64_ROUND_CLOSEST((u64) + info->m[PSC_CURRENT_OUT] * rimon * gimon, 1000000000000ULL); + info->m[PSC_POWER] =3D DIV64_U64_ROUND_CLOSEST((u64) + info->m[PSC_POWER] * rimon * gimon, 1000000000000000ULL); + + return pmbus_do_probe(client, info); +} + +static const struct of_device_id xdp720_of_match[] =3D { + { .compatible =3D "infineon,xdp720" }, + {} +}; +MODULE_DEVICE_TABLE(of, xdp720_of_match); + +static const struct i2c_device_id xdp720_id[] =3D { + { "xdp720" }, + {} +}; +MODULE_DEVICE_TABLE(i2c, xdp720_id); + +static struct i2c_driver xdp720_driver =3D { + .driver =3D { + .name =3D "xdp720", + .of_match_table =3D xdp720_of_match, + }, + .probe =3D xdp720_probe, + .id_table =3D xdp720_id, +}; + +module_i2c_driver(xdp720_driver); + +MODULE_AUTHOR("Ashish Yadav "); +MODULE_DESCRIPTION("PMBus driver for Infineon XDP720 Digital eFuse Control= ler"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS("PMBUS"); --=20 2.39.5